[edNorth]

87.307
Control Surfaces (airframe parts begin with 8-then type, then airframe group)
= 30 - 39, 300 - 399
Horizontal Stabilator, Elevator, Rudder, Ailerons, Landing flaps etc.
msm WFG Delmenhorst

87.603
Power Unit (motor parts begin with 9- )
60 - 69, 600 - 699
Aircraft engine, Engine mounting, Engine cowling etc.


8-8713-xxxx (fuselage part) (airframe parts begin with 8-then type, then airframe group)

110xxx was (basic) Ju 87 D-3, but can be Umbau to other versions (Ju 87 G, or D /Nacht) if that applies. This number is not in my lists.